Home / 5,180.76-7,766.28-2,583.09

Finding the Fourth Proportional to 5,180.76, 7,766.28 and 2,583.09

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Solution

The fourth proportional to 5,180.76, 7,766.28 and 2,583.09 is: 3,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.76 : 7,766.28 = 2,583.09 : x
  2. Step 2: Convert to fraction form
    5,180.76/7,766.28 = 2,583.09/x
  3. Step 3: Cross multiply
    5,180.76x = 7,766.28 × 2,583.09
  4. Step 4: Simplify right side
    5,180.76x = 20,061,000.21
  5. Step 5: Solve for x
    x = 20,061,000.21/5,180.76
  6. Step 6: Final answer
    x = 3,872.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.